A person without melanin is called an albino.
Without the proper enzymes, melanin, the pigment responsible for skin color, cannot be produce. Normally, enzymes are made by cells using a gene or genes from the DNA. However, if a person has a mutation so that either they do not produce enough melanin or they cannot properly make melanin, or they cannot manufacture melanin period, or another such problem, the person will be an albino- they will lack pigmentation.
As a person ages, the hair follicles produce less melanin, the pigment that gives hair its color. This decrease in melanin causes the hair to gradually turn grey.
Melanin is the source that determines the pigment in your hair. Usually, melanin is a hereditary trait. For example, if both of your parents have darker hair, then you were also probably born with darker hair as well.
They would have very, very light skin. Melanocytes are cells in your body that produce melanin, or pigment. Without melanocytes, there is no melanin. Without melanin, they would have very very light skin.
Because people inherit genes from their parents and the skin color itself from a thing called Melanin i believe and the higher level's on Melanin the darker the skin
No, not all hair turns grey as a person ages. Only the individual hair follicles that produce melanin, the pigment that gives hair its color, stop producing melanin and turn grey.
That would be an albino. A person suffering from Albinism Please se the related link below
A person who can't laugh is called an anhedonic. Anhedonia is the inability to experience pleasure, which can manifest in different ways, including an inability to laugh. It can be a symptom of various mental health conditions.
White hair in a person's beard is caused by a decrease in melanin production, the pigment responsible for hair color. As people age, their hair follicles produce less melanin, resulting in the appearance of white or gray hair.
mean test
A person who steals agricultural produce is typically called a "crop thief" or a "produce thief."